package api;

import cn.hutool.json.JSONUtil;
import comment.ApplicationVariable;
import lombok.SneakyThrows;
import model.ResultData;
import util.DBUtil;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.sql.Connection;
import java.sql.PreparedStatement;

@WebServlet("/updateorder")
public class UpdateOrderServlet extends HttpServlet {
    @SneakyThrows
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        int state = -1;
        int data = -1;
        String msg = "未知错误";
        Integer oid = Integer.parseInt(req.getParameter("oid"));
        Integer rstate = Integer.parseInt(req.getParameter("state"));
        if(oid != null && rstate != null && oid > 0){
            // 2.进行操作
            Connection connection = DBUtil.getConnection();
            String sql = "update `order` set state=? where oid=?";
            PreparedStatement statement = connection.prepareStatement(sql);
            statement.setInt(1, rstate);
            statement.setInt(2, oid);
            data = statement.executeUpdate();
            state = 200;
            DBUtil.close(null, statement, connection);
        }
        else {
            msg = "参数错误";
        }
        resp.setContentType(ApplicationVariable.APPLICATION_JSON);
        resp.getWriter().println(JSONUtil.toJsonStr(new ResultData(state,data,msg)));
    }
}
